The phone rings and wakes you just when you first fall asleep.It is most likely you have been awakened from:
A) non-REM sleep
B) REM sleep
C) SPID sleep
D) paradoxical sleep

Question

Quizplus · Accepted Answer

Non-REM sleep is the stage of sleep where we first fall asleep and spend the majority of our time each night. It is the lightest stage of sleep and is easiest to be awakened from. REM sleep and paradoxical sleep are synonymous terms, and SPID sleep is not a recognized stage of sleep.

The Phone Rings and Wakes You Just When You First